cpoerschke commented on code in PR #904:
URL: https://github.com/apache/solr/pull/904#discussion_r906238869
##########
solr/core/src/java/org/apache/solr/search/QueryUtils.java:
##########
@@ -215,4 +221,38 @@ public static Query combineQueryAndFilter(Query
scoreQuery, Query filterQuery) {
}
}
}
+
+ /**
+ * Parse the filter queries in Solr request
+ *
+ * @param req Solr request
+ * @param fixNegativeQueries if true, negative queries are rewritten by
adding a MatchAllDocs
+ * query clause
+ * @return and array of Query. If the request does not contain filter
queries, returns an empty
+ * list.
+ * @throws SyntaxError if an error occurs during parsing
+ */
+ public static List<Query> parseFilterQueries(SolrQueryRequest req, boolean
fixNegativeQueries)
+ throws SyntaxError {
+
+ String[] filterQueriesStr = req.getParams().getParams(CommonParams.FQ);
+
+ if (filterQueriesStr != null) {
+ List<Query> filters = new ArrayList<>(filterQueriesStr.length);
+ for (String fq : filterQueriesStr) {
+ if (fq != null && fq.trim().length() != 0) {
+ QParser fqp = QParser.getParser(fq, req);
+ fqp.setIsFilter(true);
Review Comment:
Wondering if this could also be under a flag since not all existing callers
currently do the `setIsFilter` call.
```suggestion
if (setIsFilter) {
fqp.setIsFilter(true);
}
```
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